* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {

    font: 16px/20px microsft yahei;
    min-width: 290px;
    max-width: 480px;
    margin: 0px auto;
}
.container{
    min-width: 290px;
    max-width: 480px;
}
.container h2 {
    padding-top:20px;
    padding-bottom:40px;
}
.input{
    margin-top:20px;
}
.input a{
    margin-left: 12px;
    font-size:13px;
}



